JAJSH37A
August 2019 – August 2019
TPS56C230
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
概略回路図
効率と出力電流との関係、Eco-mode
4
改訂履歴
5
概要(続き)
6
Pin Configuration and Functions
Pin Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
PWM Operation and D-CAP3 Control
8.3.2
Soft Start
8.3.3
Large Duty Operation
8.3.4
Power Good
8.3.5
Overcurrent Protection and Undervoltage Protection
8.3.6
Overvoltage Protection
8.3.7
Out-of-Bounds Operation
8.3.8
UVLO Protection
8.3.9
Output Voltage Discharge
8.3.10
Thermal Shutdown
8.4
Device Functional Modes
8.4.1
Light Load Operation
8.4.2
Eco-mode Control
8.4.3
Force CCM
8.4.4
Mode Selection
8.4.5
Standby Operation
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Custom Design With WEBENCH® Tools
9.2.2.2
Output Voltage Set Point
9.2.2.3
MODE Selection
9.2.2.4
Inductor Selection
9.2.2.5
Output Capacitor Selection
9.2.2.6
Input Capacitor Selection
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
デバイスおよびドキュメントのサポート
12.1
デバイス・サポート
12.1.1
デベロッパー・ネットワークの製品に関する免責事項
12.1.2
開発サポート
12.1.2.1
WEBENCH®ツールによるカスタム設計
12.2
ドキュメントの更新通知を受け取る方法
12.3
コミュニティ・リソース
12.4
商標
12.5
静電気放電に関する注意事項
12.6
Glossary
13
メカニカル、パッケージ、および注文情報
7.6
Typical Characteristics
V
EN
= 5 V
Figure 1.
Supply Current vs Junction Temperature
1.
Figure 3.
Feedback Voltage vs Junction Temperature
1.
Figure 5.
Enable Off Voltage vs Junction Temperature
1.
Figure 7.
Low-Side R
DS(on)
vs Junction Temperature
1.
Figure 9.
UVP Threshold vs Junction Temperature
1.
Figure 11.
Valley Current Limit vs Junction Temperature
1.
Figure 13.
Efficiency vs Load Current, Eco-mode
1.
Figure 15.
Switching Frequency vs Load Current, Eco-mode
V
EN
= 0 V
Figure 2.
Shutdown Current vs Temperature
1.
Figure 4.
Enable On Voltage vs Junction Temperature
1.
Figure 6.
High-Side R
DS
(on) vs Junction Temperature
1.
Figure 8.
OVP Threshold vs Junction Temperature
1.
Figure 10.
Discharge Resistor vs Junction Temperature
1.
Figure 12.
Soft-Start Time vs Junction Temperature
1.
Figure 14.
Efficiency vs Load Current, FCCM
1.
Figure 16.
Switching Frequency vs Load Current, FCCM